TY - BOOK AU - Symes,R.F. AU - Harding,R.R. TI - Crystal & gem T2 - Eyewitness books SN - 0329137166 AV - QD906.3 .S96 1991 U1 - 548 20 PY - 1991/// CY - New York PB - Alfred A. Knopf KW - Crystallography KW - Juvenile literature KW - Crystals KW - Precious stones KW - sears N1 - "A Dorling Kindersley book"--T.p. verso; "Discovering the earth's crystals and gems in close-up -- their creation, beauty, and importance in evryday life"--Cover; Includes index; 8.8; Follett Library Resources; 5-8; Follett Library Resources N2 - Describes how crystals, semiprecious stones, and precious metals form in nature, how crystals are grown artificially, and how crystals are used in industry ER -